diff options
Diffstat (limited to 'sysdeps/unix/bsd/tcgetattr.c')
| -rw-r--r-- | sysdeps/unix/bsd/tcgetattr.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/tcgetattr.c b/sysdeps/unix/bsd/tcgetattr.c new file mode 100644 index 0000000000..0e6e3785dd --- /dev/null +++ b/sysdeps/unix/bsd/tcgetattr.c @@ -0,0 +1,130 @@ +/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <errno.h> +#include <stddef.h> +#include <termios.h> + +#include "bsdtty.h" + +extern CONST speed_t __bsd_speeds[]; /* Defined in tcsetattr.c. */ + +/* Put the state of FD into *TERMIOS_P. */ +int +DEFUN(__tcgetattr, (fd, termios_p), + int fd AND struct termios *termios_p) +{ + struct sgttyb buf; + struct tchars tchars; + struct ltchars ltchars; + int local; +#ifdef TIOCGETX + int extra; +#endif + + if (termios_p == NULL) + { + errno = EINVAL; + return -1; + } + + if (__ioctl(fd, TIOCGETP, &buf) < 0 || + __ioctl(fd, TIOCGETC, &tchars) < 0 || + __ioctl(fd, TIOCGLTC, <chars) < 0 || +#ifdef TIOCGETX + __ioctl(fd, TIOCGETX, &extra) < 0 || +#endif + __ioctl(fd, TIOCLGET, &local) < 0) + return -1; + + termios_p->__ispeed = __bsd_speeds[(unsigned char) buf.sg_ispeed]; + termios_p->__ospeed = __bsd_speeds[(unsigned char) buf.sg_ospeed]; + + termios_p->c_iflag = 0; + termios_p->c_oflag = 0; + termios_p->c_cflag = 0; + termios_p->c_lflag = 0; + termios_p->c_oflag |= CREAD | HUPCL; +#ifdef LPASS8 + if (local & LPASS8) + termios_p->c_oflag |= CS8; + else +#endif + termios_p->c_oflag |= CS7; + if (!(buf.sg_flags & RAW)) + { + termios_p->c_iflag |= IXON; + termios_p->c_cflag |= OPOST; +#ifndef NOISIG + termios_p->c_lflag |= ISIG; +#endif + } + if ((buf.sg_flags & (CBREAK|RAW)) == 0) + termios_p->c_lflag |= ICANON; + if (!(buf.sg_flags & RAW) && !(local & LLITOUT)) + termios_p->c_oflag |= OPOST; + if (buf.sg_flags & CRMOD) + termios_p->c_iflag |= ICRNL; + if (buf.sg_flags & TANDEM) + termios_p->c_iflag |= IXOFF; +#ifdef TIOCGETX + if (!(extra & NOISIG)) + termios_p->c_lflag |= ISIG; + if (extra & STOPB) + termios_p->c_cflag |= CSTOPB; +#endif + + switch (buf.sg_flags & (EVENP|ODDP)) + { + case EVENP|ODDP: + break; + case ODDP: + termios_p->c_cflag |= PARODD; + default: + termios_p->c_cflag |= PARENB; + termios_p->c_iflag |= IGNPAR | INPCK; + break; + } + if (buf.sg_flags & ECHO) + termios_p->c_lflag |= _ECHO; + if (local & LCRTERA) + termios_p->c_lflag |= ECHOE; + if (local & LCRTKIL) + termios_p->c_lflag |= ECHOK; + if (local & LTOSTOP) + termios_p->c_lflag |= _TOSTOP; + if (local & LNOFLSH) + termios_p->c_lflag |= _NOFLSH; + + termios_p->c_cc[VEOF] = tchars.t_eofc; + termios_p->c_cc[VEOL] = '\n'; + termios_p->c_cc[VERASE] = buf.sg_erase; + termios_p->c_cc[VKILL] = buf.sg_kill; + termios_p->c_cc[VINTR] = tchars.t_intrc; + termios_p->c_cc[VQUIT] = tchars.t_quitc; + termios_p->c_cc[VSTART] = tchars.t_startc; + termios_p->c_cc[VSTOP] = tchars.t_stopc; + termios_p->c_cc[VSUSP] = ltchars.t_suspc; + termios_p->c_cc[VMIN] = -1; + termios_p->c_cc[VTIME] = -1; + + return 0; +} + +weak_alias (__tcgetattr, tcgetattr) |